Global Patent Index - EP 0970024 A1

EP 0970024 A1 2000-01-12 - METHOD FOR PRODUCING A GLASS OBJECT HAVING AT LEAST ONE RECESS

Title (en)

METHOD FOR PRODUCING A GLASS OBJECT HAVING AT LEAST ONE RECESS

Title (de)

VERFAHREN ZUM HERSTELLEN EINES GLASKÖRPERS MIT MINDESTENS EINER AUSNEHMUNG

Title (fr)

PROCEDE DE FABRICATION D'UN OBJET EN VERRE COMPRENANT AU MOINS UN EVIDEMENT

Publication

EP 0970024 A1 (DE)

Application

EP 98928055 A

Priority

  • DE 9800849 W
  • DE 19712779 A

Abstract (en)

[origin: WO9842628A1] An etching mask (4) with at least one etching window (5) is applied on a glass object (1) consisting substantially of boron silicate glass. Subsequently, the glass object (1) is etched through the etching window (5) by using, for instance, HF, thereby producing trapezoidal trenches or truncated pyramidal grooves in its cross-section.

IPC 1-7 (main, further and additional classification)

C03C 15/00; H01L 21/00; G02B 6/12; G02B 6/42

IPC 8 full level (invention and additional information)

C03C 15/00 (2006.01); G02B 6/36 (2006.01); G02B 6/42 (2006.01)

CPC (invention and additional information)

C03C 15/00 (2013.01); G02B 6/4244 (2013.01); G02B 6/4257 (2013.01); G02B 6/3692 (2013.01); G02B 6/4214 (2013.01); G02B 6/4245 (2013.01); G02B 6/4274 (2013.01)

Designated contracting state (EPC)

DE FR GB

EPO simple patent family

WO 9842628 A1 19981001; CN 1251565 A 20000426; EP 0970024 A1 20000112; EP 0970024 B1 20040804; US 6576150 B1 20030610

INPADOC legal status


2010-01-29 [PG25 DE] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

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2009-06-30 [PG25 GB] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

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2009-04-30 [PG25 FR] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

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2008-12-19 [REG FR ST] NOTIFICATION OF LAPSE

- Effective date: 20081125

2008-11-26 [GBPC] GB: EUROPEAN PATENT CEASED THROUGH NON-PAYMENT OF RENEWAL FEE

- Effective date: 20080323

2008-07-31 [PGFP DE] POSTGRANT: ANNUAL FEES PAID TO NATIONAL OFFICE

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2007-08-24 [REG FR TP] TRANSMISSION OF PROPERTY

2007-07-18 [REG GB 732E] AMENDMENTS TO THE REGISTER IN RESPECT OF CHANGES OF NAME OR CHANGES AFFECTING RIGHTS (SECT. 32/1977)

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2005-07-27 [26N] NO OPPOSITION FILED

- Effective date: 20050506

2005-06-03 [ET] FR: TRANSLATION FILED

2004-12-22 [GBT] GB: TRANSLATION OF EP PATENT FILED (GB SECTION 77(6)(A)/1977)

- Effective date: 20041129

2004-09-09 [REF] CORRESPONDS TO:

- Document: DE 59811760 P 20040909

2004-08-04 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: B1

- Designated State(s): DE FR GB

2004-08-04 [REG GB FG4D] EUROPEAN PATENT GRANTED

- Free text: NOT ENGLISH

2000-11-08 [RAP1] TRANSFER OF RIGHTS OF AN EP PUBLISHED APPLICATION

- Owner name: INFINEON TECHNOLOGIES AG

2000-09-13 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20000801

2000-01-12 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 19990917

2000-01-12 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): DE FR GB